Computer input pen



FIG. 1 is a left side elevational view of a computer input pen showing our new design, the right side elevational view is a mirror image;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a front elevational view thereof; and,

FIG. 5 is a rear elevational view thereof. 

The ornamental design for a computer input pen, as shown and described. 